Home / 35,416.86-48,875.45-20,310.09

Finding the Fourth Proportional to 35,416.86, 48,875.45 and 20,310.09

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Solution

The fourth proportional to 35,416.86, 48,875.45 and 20,310.09 is: 28,028.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,416.86 : 48,875.45 = 20,310.09 : x
  2. Step 2: Convert to fraction form
    35,416.86/48,875.45 = 20,310.09/x
  3. Step 3: Cross multiply
    35,416.86x = 48,875.45 × 20,310.09
  4. Step 4: Simplify right side
    35,416.86x = 992,664,686.74
  5. Step 5: Solve for x
    x = 992,664,686.74/35,416.86
  6. Step 6: Final answer
    x = 28,028.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.